73977396 has 12 divisors (see below), whose sum is σ = 172613952. Its totient is φ = 24659128.

The previous prime is 73977367. The next prime is 73977413. The reversal of 73977396 is 69377937.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3082380 + ... + 3082403.

It is an arithmetic number, because the mean of its divisors is an integer number (14384496).

Almost surely, 2^73977396 is an apocalyptic number.

It is an amenable number.

73977396 is an abundant number, since it is smaller than the sum of its proper divisors (98636556).

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

73977396 is a wasteful number, since it uses less digits than its factorization.

73977396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164790 (or 6164788 counting only the distinct ones).

The product of its digits is 1500282, while the sum is 51.

The square root of 73977396 is about 8601.0113358837. The cubic root of 73977396 is about 419.7908936414.

The spelling of 73977396 in words is "seventy-three million, nine hundred seventy-seven thousand, three hundred ninety-six".