72423762 has 16 divisors (see below), whose sum is σ = 145608192. Its totient is φ = 24014480.

The previous prime is 72423751. The next prime is 72423773. The reversal of 72423762 is 26732427.

It is an interprime number because it is at equal distance from previous prime (72423751) and next prime (72423773).

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, 30453 + ... + 32744.

It is an arithmetic number, because the mean of its divisors is an integer number (9100512).

Almost surely, 2^72423762 is an apocalyptic number.

72423762 is an abundant number, since it is smaller than the sum of its proper divisors (73184430).

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

72423762 is a wasteful number, since it uses less digits than its factorization.

72423762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63393.

The product of its digits is 28224, while the sum is 33.

The square root of 72423762 is about 8510.2151559170. The cubic root of 72423762 is about 416.8313357310.

The spelling of 72423762 in words is "seventy-two million, four hundred twenty-three thousand, seven hundred sixty-two".