742749292475 has 12 divisors (see below), whose sum is σ = 969483287640. Its totient is φ = 562925779200.

The previous prime is 742749292471. The next prime is 742749292489. The reversal of 742749292475 is 574292947247.

It is not a de Polignac number, because 742749292475 - 2² = 742749292471 is a prime.

It is a super-2 number, since 2×742749292475² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742749292471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781840886 + ... + 781841835.

It is an arithmetic number, because the mean of its divisors is an integer number (80790273970).

Almost surely, 2^742749292475 is an apocalyptic number.

742749292475 is a deficient number, since it is larger than the sum of its proper divisors (226733995165).

742749292475 is a wasteful number, since it uses less digits than its factorization.

742749292475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563682750 (or 1563682745 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 62.

The spelling of 742749292475 in words is "seven hundred forty-two billion, seven hundred forty-nine million, two hundred ninety-two thousand, four hundred seventy-five".