61423604 has 12 divisors (see below), whose sum is σ = 117263328. Its totient is φ = 27919800.

The previous prime is 61423597. The next prime is 61423613. The reversal of 61423604 is 40632416.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697952 + ... + 698039.

It is an arithmetic number, because the mean of its divisors is an integer number (9771944).

Almost surely, 2^61423604 is an apocalyptic number.

It is an amenable number.

61423604 is a deficient number, since it is larger than the sum of its proper divisors (55839724).

61423604 is a wasteful number, since it uses less digits than its factorization.

61423604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396006 (or 1396004 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 61423604 is about 7837.3212260313. The cubic root of 61423604 is about 394.5588280642.

The spelling of 61423604 in words is "sixty-one million, four hundred twenty-three thousand, six hundred four".