75631192642 has 16 divisors (see below), whose sum is σ = 113768899200. Its totient is φ = 37708266960.

The previous prime is 75631192603. The next prime is 75631192667. The reversal of 75631192642 is 24629113657.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 75631192592 and 75631192601.

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, 7452892 + ... + 7463032.

It is an arithmetic number, because the mean of its divisors is an integer number (7110556200).

Almost surely, 2^75631192642 is an apocalyptic number.

75631192642 is a deficient number, since it is larger than the sum of its proper divisors (38137706558).

75631192642 is a wasteful number, since it uses less digits than its factorization.

75631192642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361.

The product of its digits is 544320, while the sum is 46.

The spelling of 75631192642 in words is "seventy-five billion, six hundred thirty-one million, one hundred ninety-two thousand, six hundred forty-two".