745614261 has 32 divisors (see below), whose sum is σ = 1263755520. Its totient is φ = 425613312.

The previous prime is 745614227. The next prime is 745614307. The reversal of 745614261 is 162416547.

745614261 is a `hidden beast` number, since 7 + 456 + 142 + 61 = 666.

It is not a de Polignac number, because 745614261 - 2¹⁵ = 745581493 is a prime.

It is a super-2 number, since 2×745614261² = 1111881252413152242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745614061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269461 + ... + 272213.

It is an arithmetic number, because the mean of its divisors is an integer number (39492360).

Almost surely, 2^745614261 is an apocalyptic number.

It is an amenable number.

745614261 is a deficient number, since it is larger than the sum of its proper divisors (518141259).

745614261 is a wasteful number, since it uses less digits than its factorization.

745614261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202 (or 4196 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 745614261 is about 27305.9382003256. The cubic root of 745614261 is about 906.7858516516.

The spelling of 745614261 in words is "seven hundred forty-five million, six hundred fourteen thousand, two hundred sixty-one".