715402769 has 4 divisors (see below), whose sum is σ = 740071860. Its totient is φ = 690733680.

The previous prime is 715402757. The next prime is 715402777. The reversal of 715402769 is 967204517.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126855169 + 588547600 = 11263^2 + 24260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715402769 is a prime.

It is a super-2 number, since 2×715402769² = 1023602243785734722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715402729) 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, 12334502 + ... + 12334559.

It is an arithmetic number, because the mean of its divisors is an integer number (185017965).

Almost surely, 2^715402769 is an apocalyptic number.

It is an amenable number.

715402769 is a deficient number, since it is larger than the sum of its proper divisors (24669091).

715402769 is a wasteful number, since it uses less digits than its factorization.

715402769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24669090.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 715402769 is about 26747.0142071970. The cubic root of 715402769 is about 894.3692773335.

The spelling of 715402769 in words is "seven hundred fifteen million, four hundred two thousand, seven hundred sixty-nine".