74157476641 has 8 divisors (see below), whose sum is σ = 74727532800. Its totient is φ = 73589151600.

The previous prime is 74157476639. The next prime is 74157476651. The reversal of 74157476641 is 14667475147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74157476641 - 2¹ = 74157476639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74157476621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346710 + ... + 518191.

It is an arithmetic number, because the mean of its divisors is an integer number (9340941600).

Almost surely, 2^74157476641 is an apocalyptic number.

It is an amenable number.

74157476641 is a deficient number, since it is larger than the sum of its proper divisors (570056159).

74157476641 is a wasteful number, since it uses less digits than its factorization.

74157476641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865559.

The product of its digits is 3951360, while the sum is 52.

The spelling of 74157476641 in words is "seventy-four billion, one hundred fifty-seven million, four hundred seventy-six thousand, six hundred forty-one".