73622620 has 12 divisors (see below), whose sum is σ = 154607544. Its totient is φ = 29449040.

The previous prime is 73622611. The next prime is 73622629. The reversal of 73622620 is 2622637.

It is an interprime number because it is at equal distance from previous prime (73622611) and next prime (73622629).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73622629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840546 + ... + 1840585.

It is an arithmetic number, because the mean of its divisors is an integer number (12883962).

Almost surely, 2^73622620 is an apocalyptic number.

It is an amenable number.

73622620 is an abundant number, since it is smaller than the sum of its proper divisors (80984924).

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

73622620 is a wasteful number, since it uses less digits than its factorization.

73622620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681140 (or 3681138 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 73622620 is about 8580.3624632063. The cubic root of 73622620 is about 419.1187493670.

The spelling of 73622620 in words is "seventy-three million, six hundred twenty-two thousand, six hundred twenty".