745460461 has 4 divisors (see below), whose sum is σ = 748151932. Its totient is φ = 742768992.

The previous prime is 745460449. The next prime is 745460473. The reversal of 745460461 is 164064547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164064547 = 1237 ⋅132631.

It is an interprime number because it is at equal distance from previous prime (745460449) and next prime (745460473).

It can be written as a sum of positive squares in 2 ways, for example, as 256608361 + 488852100 = 16019^2 + 22110^2 .

It is a cyclic number.

It is not a de Polignac number, because 745460461 - 2¹⁵ = 745427693 is a prime.

It is a super-2 number, since 2×745460461² = 1111422597828665042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745460461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745460431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345320 + ... + 1345873.

It is an arithmetic number, because the mean of its divisors is an integer number (187037983).

Almost surely, 2^745460461 is an apocalyptic number.

It is an amenable number.

745460461 is a deficient number, since it is larger than the sum of its proper divisors (2691471).

745460461 is a wasteful number, since it uses less digits than its factorization.

745460461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691470.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 745460461 is about 27303.1218178435. The cubic root of 745460461 is about 906.7234989216.

The spelling of 745460461 in words is "seven hundred forty-five million, four hundred sixty thousand, four hundred sixty-one".