93072420 has 72 divisors (see below), whose sum is σ = 322655424. Its totient is φ = 21273408.

The previous prime is 93072407. The next prime is 93072437. The reversal of 93072420 is 2427039.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35674 + ... + 38193.

Almost surely, 2^93072420 is an apocalyptic number.

93072420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

93072420 is an abundant number, since it is smaller than the sum of its proper divisors (229583004).

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

93072420 is a wasteful number, since it uses less digits than its factorization.

93072420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73889 (or 73884 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 93072420 is about 9647.4048323889. The cubic root of 93072420 is about 453.1830612560.

Adding to 93072420 its reverse (2427039), we get a palindrome (95499459).

The spelling of 93072420 in words is "ninety-three million, seventy-two thousand, four hundred twenty".