75724338 has 16 divisors (see below), whose sum is σ = 153709920. Its totient is φ = 24864576.

The previous prime is 75724283. The next prime is 75724357. The reversal of 75724338 is 83342757.

It is a junction number, because it is equal to n+sod(n) for n = 75724296 and 75724305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93783 + ... + 94586.

It is an arithmetic number, because the mean of its divisors is an integer number (9606870).

Almost surely, 2^75724338 is an apocalyptic number.

75724338 is an abundant number, since it is smaller than the sum of its proper divisors (77985582).

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

75724338 is a wasteful number, since it uses less digits than its factorization.

75724338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188441.

The product of its digits is 141120, while the sum is 39.

The square root of 75724338 is about 8701.9732245049. The cubic root of 75724338 is about 423.0696083380.

The spelling of 75724338 in words is "seventy-five million, seven hundred twenty-four thousand, three hundred thirty-eight".