61873404 has 48 divisors (see below), whose sum is σ = 159522048. Its totient is φ = 18565888.

The previous prime is 61873393. The next prime is 61873433. The reversal of 61873404 is 40437816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902 + ... + 11285.

It is an arithmetic number, because the mean of its divisors is an integer number (3323376).

Almost surely, 2^61873404 is an apocalyptic number.

It is an amenable number.

61873404 is an abundant number, since it is smaller than the sum of its proper divisors (97648644).

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

61873404 is a wasteful number, since it uses less digits than its factorization.

61873404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13234 (or 13232 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 61873404 is about 7865.9649122024. The cubic root of 61873404 is about 395.5195939453.

It can be divided in two parts, 6187 and 3404, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 61873404 in words is "sixty-one million, eight hundred seventy-three thousand, four hundred four".