74155361552 has 40 divisors (see below), whose sum is σ = 145750796352. Its totient is φ = 36542620800.

The previous prime is 74155361551. The next prime is 74155361569. The reversal of 74155361552 is 25516355147.

It is not an unprimeable number, because it can be changed into a prime (74155361551) 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, 3774218 + ... + 3793814.

Almost surely, 2^74155361552 is an apocalyptic number.

It is an amenable number.

74155361552 is a deficient number, since it is larger than the sum of its proper divisors (71595434800).

74155361552 is a wasteful number, since it uses less digits than its factorization.

74155361552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23007 (or 23001 counting only the distinct ones).

The product of its digits is 630000, while the sum is 44.

The spelling of 74155361552 in words is "seventy-four billion, one hundred fifty-five million, three hundred sixty-one thousand, five hundred fifty-two".