73797040 has 20 divisors (see below), whose sum is σ = 171578304. Its totient is φ = 29518784.

The previous prime is 73797037. The next prime is 73797103. The reversal of 73797040 is 4079737.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×73797040² = 10892006225523200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461152 + ... + 461311.

Almost surely, 2^73797040 is an apocalyptic number.

It is an amenable number.

73797040 is an abundant number, since it is smaller than the sum of its proper divisors (97781264).

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

73797040 is a wasteful number, since it uses less digits than its factorization.

73797040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922476 (or 922470 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 73797040 is about 8590.5203567654. The cubic root of 73797040 is about 419.4494676467.

The spelling of 73797040 in words is "seventy-three million, seven hundred ninety-seven thousand, forty".