72923962 has 4 divisors (see below), whose sum is σ = 109385946. Its totient is φ = 36461980.

The previous prime is 72923959. The next prime is 72923969. The reversal of 72923962 is 26932927.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44076321 + 28847641 = 6639^2 + 5371^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (72923969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18230989 + ... + 18230992.

Almost surely, 2^72923962 is an apocalyptic number.

72923962 is a deficient number, since it is larger than the sum of its proper divisors (36461984).

72923962 is a wasteful number, since it uses less digits than its factorization.

72923962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36461983.

The product of its digits is 81648, while the sum is 40.

The square root of 72923962 is about 8539.5527985955. The cubic root of 72923962 is about 417.7887602794.

The spelling of 72923962 in words is "seventy-two million, nine hundred twenty-three thousand, nine hundred sixty-two".