73623722 has 4 divisors (see below), whose sum is σ = 110435586. Its totient is φ = 36811860.

The previous prime is 73623709. The next prime is 73623733. The reversal of 73623722 is 22732637.

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., 63504961 + 10118761 = 7969^2 + 3181^2 .

It is a super-2 number, since 2×73623722² = 10840904882266568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18405929 + ... + 18405932.

Almost surely, 2^73623722 is an apocalyptic number.

73623722 is a deficient number, since it is larger than the sum of its proper divisors (36811864).

73623722 is a wasteful number, since it uses less digits than its factorization.

73623722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36811863.

The product of its digits is 21168, while the sum is 32.

The square root of 73623722 is about 8580.4266793674. The cubic root of 73623722 is about 419.1208405112.

The spelling of 73623722 in words is "seventy-three million, six hundred twenty-three thousand, seven hundred twenty-two".