61632404 has 6 divisors (see below), whose sum is σ = 107856714. Its totient is φ = 30816200.

The previous prime is 61632401. The next prime is 61632437. The reversal of 61632404 is 40423616.

It can be written as a sum of positive squares in only one way, i.e., 31382404 + 30250000 = 5602^2 + 5500^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61632401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7704047 + ... + 7704054.

It is an arithmetic number, because the mean of its divisors is an integer number (17976119).

Almost surely, 2^61632404 is an apocalyptic number.

It is an amenable number.

61632404 is a deficient number, since it is larger than the sum of its proper divisors (46224310).

61632404 is a wasteful number, since it uses less digits than its factorization.

61632404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15408105 (or 15408103 counting only the distinct ones).

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

The square root of 61632404 is about 7850.6308026808. The cubic root of 61632404 is about 395.0054029064.

The spelling of 61632404 in words is "sixty-one million, six hundred thirty-two thousand, four hundred four".