52072404 has 12 divisors (see below), whose sum is σ = 121502304. Its totient is φ = 17357464.

The previous prime is 52072373. The next prime is 52072409. The reversal of 52072404 is 40427025.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52072409) 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, 2169672 + ... + 2169695.

It is an arithmetic number, because the mean of its divisors is an integer number (10125192).

Almost surely, 2^52072404 is an apocalyptic number.

It is an amenable number.

52072404 is an abundant number, since it is smaller than the sum of its proper divisors (69429900).

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

52072404 is a wasteful number, since it uses less digits than its factorization.

52072404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339374 (or 4339372 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 52072404 is about 7216.1211187175. The cubic root of 52072404 is about 373.4242717104.

Adding to 52072404 its reverse (40427025), we get a palindrome (92499429).

The spelling of 52072404 in words is "fifty-two million, seventy-two thousand, four hundred four".