7672197478 has 16 divisors (see below), whose sum is σ = 13293005904. Its totient is φ = 3282223360.

The previous prime is 7672197439. The next prime is 7672197499. The reversal of 7672197478 is 8747912767.

It is a super-2 number, since 2×7672197478² (a number of 21 digits) contains 22 as substring.

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, 10256575 + ... + 10257322.

It is an arithmetic number, because the mean of its divisors is an integer number (830812869).

Almost surely, 2^7672197478 is an apocalyptic number.

7672197478 is a deficient number, since it is larger than the sum of its proper divisors (5620808426).

7672197478 is a wasteful number, since it uses less digits than its factorization.

7672197478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20513927.

The product of its digits is 8297856, while the sum is 58.

The square root of 7672197478 is about 87591.0810413937. The cubic root of 7672197478 is about 1972.3012846657.

The spelling of 7672197478 in words is "seven billion, six hundred seventy-two million, one hundred ninety-seven thousand, four hundred seventy-eight".