74929092948 has 72 divisors (see below), whose sum is σ = 191831316768. Its totient is φ = 24656749248.

The previous prime is 74929092947. The next prime is 74929092967. The reversal of 74929092948 is 84929092947.

It is a super-2 number, since 2×74929092948² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74929092941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4255090 + ... + 4272662.

It is an arithmetic number, because the mean of its divisors is an integer number (2664323844).

Almost surely, 2^74929092948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74929092948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95915658384).

74929092948 is an abundant number, since it is smaller than the sum of its proper divisors (116902223820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74929092948 is a wasteful number, since it uses less digits than its factorization.

74929092948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19093 (or 19088 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

Subtracting 74929092948 from its reverse (84929092947), we obtain a palindrome (9999999999).

The spelling of 74929092948 in words is "seventy-four billion, nine hundred twenty-nine million, ninety-two thousand, nine hundred forty-eight".