73561464 has 48 divisors (see below), whose sum is σ = 209718600. Its totient is φ = 23229504.

The previous prime is 73561463. The next prime is 73561469. The reversal of 73561464 is 46416537.

It is a happy number.

73561464 is a `hidden beast` number, since 7 + 35 + 614 + 6 + 4 = 666.

It is a super-2 number, since 2×73561464² = 10822577971646592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73561463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25519 + ... + 28254.

Almost surely, 2^73561464 is an apocalyptic number.

It is an amenable number.

73561464 is an abundant number, since it is smaller than the sum of its proper divisors (136157136).

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

73561464 is a wasteful number, since it uses less digits than its factorization.

73561464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53804 (or 53797 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 73561464 is about 8576.7980039173. The cubic root of 73561464 is about 419.0026676218.

The spelling of 73561464 in words is "seventy-three million, five hundred sixty-one thousand, four hundred sixty-four".