74573032071 has 4 divisors (see below), whose sum is σ = 99430709432. Its totient is φ = 49715354712.

The previous prime is 74573032067. The next prime is 74573032087. The reversal of 74573032071 is 17023037547.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74573032071 - 2² = 74573032067 is a prime.

It is a super-2 number, since 2×74573032071² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74573032091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12428838676 + ... + 12428838681.

It is an arithmetic number, because the mean of its divisors is an integer number (24857677358).

Almost surely, 2^74573032071 is an apocalyptic number.

74573032071 is a deficient number, since it is larger than the sum of its proper divisors (24857677361).

74573032071 is a wasteful number, since it uses less digits than its factorization.

74573032071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24857677360.

The product of its (nonzero) digits is 123480, while the sum is 39.

The spelling of 74573032071 in words is "seventy-four billion, five hundred seventy-three million, thirty-two thousand, seventy-one".