7297457534 has 16 divisors (see below), whose sum is σ = 11454149088. Its totient is φ = 3483129312.

The previous prime is 7297457513. The next prime is 7297457551. The reversal of 7297457534 is 4357547927.

It is a super-2 number, since 2×7297457534² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926402 + ... + 934245.

It is an arithmetic number, because the mean of its divisors is an integer number (715884318).

Almost surely, 2^7297457534 is an apocalyptic number.

7297457534 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

7297457534 is a deficient number, since it is larger than the sum of its proper divisors (4156691554).

7297457534 is a wasteful number, since it uses less digits than its factorization.

7297457534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860739.

The product of its digits is 7408800, while the sum is 53.

The square root of 7297457534 is about 85425.1575005864. The cubic root of 7297457534 is about 1939.6521796458.

The spelling of 7297457534 in words is "seven billion, two hundred ninety-seven million, four hundred fifty-seven thousand, five hundred thirty-four".