73622672 has 10 divisors (see below), whose sum is σ = 142643958. Its totient is φ = 36811328.

The previous prime is 73622657. The next prime is 73622687. The reversal of 73622672 is 27622637.

It is an interprime number because it is at equal distance from previous prime (73622657) and next prime (73622687).

It can be written as a sum of positive squares in only one way, i.e., 60777616 + 12845056 = 7796^2 + 3584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2300693 + ... + 2300724.

Almost surely, 2^73622672 is an apocalyptic number.

It is an amenable number.

73622672 is a deficient number, since it is larger than the sum of its proper divisors (69021286).

73622672 is a wasteful number, since it uses less digits than its factorization.

73622672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601425 (or 4601419 counting only the distinct ones).

The product of its digits is 42336, while the sum is 35.

The square root of 73622672 is about 8580.3654933808. The cubic root of 73622672 is about 419.1188480421.

Subtracting from 73622672 its sum of digits (35), we obtain a palindrome (73622637).

The spelling of 73622672 in words is "seventy-three million, six hundred twenty-two thousand, six hundred seventy-two".