71925738 has 16 divisors (see below), whose sum is σ = 150106176. Its totient is φ = 22932800.

The previous prime is 71925719. The next prime is 71925757. The reversal of 71925738 is 83752917.

It is an interprime number because it is at equal distance from previous prime (71925719) and next prime (71925757).

It is a self number, because there is not a number n which added to its sum of digits gives 71925738.

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, 260463 + ... + 260738.

It is an arithmetic number, because the mean of its divisors is an integer number (9381636).

Almost surely, 2^71925738 is an apocalyptic number.

71925738 is an abundant number, since it is smaller than the sum of its proper divisors (78180438).

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

71925738 is a wasteful number, since it uses less digits than its factorization.

71925738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521229.

The product of its digits is 105840, while the sum is 42.

The square root of 71925738 is about 8480.9043149891. The cubic root of 71925738 is about 415.8736865332.

The spelling of 71925738 in words is "seventy-one million, nine hundred twenty-five thousand, seven hundred thirty-eight".