611372404 has 6 divisors (see below), whose sum is σ = 1069901714. Its totient is φ = 305686200.

The previous prime is 611372401. The next prime is 611372429. The reversal of 611372404 is 404273116.

It can be written as a sum of positive squares in only one way, i.e., 388168804 + 223203600 = 19702^2 + 14940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611372401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76421547 + ... + 76421554.

Almost surely, 2^611372404 is an apocalyptic number.

It is an amenable number.

611372404 is a deficient number, since it is larger than the sum of its proper divisors (458529310).

611372404 is a wasteful number, since it uses less digits than its factorization.

611372404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152843105 (or 152843103 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 611372404 is about 24725.9459677481. The cubic root of 611372404 is about 848.7281574253.

The spelling of 611372404 in words is "six hundred eleven million, three hundred seventy-two thousand, four hundred four".