747434261 has 4 divisors (see below), whose sum is σ = 854210592. Its totient is φ = 640657932.

The previous prime is 747434203. The next prime is 747434321. The reversal of 747434261 is 162434747.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 162434747 = 1901 ⋅85447.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747434261 is a prime.

It is a super-2 number, since 2×747434261² = 1117315949033232242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747434161) 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, 53388155 + ... + 53388168.

It is an arithmetic number, because the mean of its divisors is an integer number (213552648).

Almost surely, 2^747434261 is an apocalyptic number.

It is an amenable number.

747434261 is a deficient number, since it is larger than the sum of its proper divisors (106776331).

747434261 is a wasteful number, since it uses less digits than its factorization.

747434261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106776330.

The product of its digits is 112896, while the sum is 38.

The square root of 747434261 is about 27339.2439727217. The cubic root of 747434261 is about 907.5230555706.

The spelling of 747434261 in words is "seven hundred forty-seven million, four hundred thirty-four thousand, two hundred sixty-one".