73887405 has 16 divisors (see below), whose sum is σ = 118351680. Its totient is φ = 39362688.

The previous prime is 73887397. The next prime is 73887413. The reversal of 73887405 is 50478837.

It is an interprime number because it is at equal distance from previous prime (73887397) and next prime (73887413).

It is not a de Polignac number, because 73887405 - 2³ = 73887397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14754 + ... + 19116.

It is an arithmetic number, because the mean of its divisors is an integer number (7396980).

Almost surely, 2^73887405 is an apocalyptic number.

It is an amenable number.

73887405 is a deficient number, since it is larger than the sum of its proper divisors (44464275).

73887405 is a wasteful number, since it uses less digits than its factorization.

73887405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 73887405 is about 8595.7783242706. The cubic root of 73887405 is about 419.6206040979.

The spelling of 73887405 in words is "seventy-three million, eight hundred eighty-seven thousand, four hundred five".