73642416 has 20 divisors (see below), whose sum is σ = 190243032. Its totient is φ = 24547456.

The previous prime is 73642411. The next prime is 73642421. The reversal of 73642416 is 61424637.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73642411) and next prime (73642421).

It is not an unprimeable number, because it can be changed into a prime (73642411) 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, 767061 + ... + 767156.

Almost surely, 2^73642416 is an apocalyptic number.

It is an amenable number.

73642416 is an abundant number, since it is smaller than the sum of its proper divisors (116600616).

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

73642416 is a wasteful number, since it uses less digits than its factorization.

73642416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534228 (or 1534222 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 73642416 is about 8581.5159499939. The cubic root of 73642416 is about 419.1563108811.

The spelling of 73642416 in words is "seventy-three million, six hundred forty-two thousand, four hundred sixteen".