73436490 has 64 divisors (see below), whose sum is σ = 201150720. Its totient is φ = 19051200.

The previous prime is 73436483. The next prime is 73436509. The reversal of 73436490 is 9463437.

73436490 is a `hidden beast` number, since 7 + 3 + 4 + 3 + 649 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6315 + ... + 13665.

It is an arithmetic number, because the mean of its divisors is an integer number (3142980).

Almost surely, 2^73436490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73436490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100575360).

73436490 is an abundant number, since it is smaller than the sum of its proper divisors (127714230).

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

73436490 is a wasteful number, since it uses less digits than its factorization.

73436490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7404 (or 7398 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 73436490 is about 8569.5093208421. The cubic root of 73436490 is about 418.7652510967.

The spelling of 73436490 in words is "seventy-three million, four hundred thirty-six thousand, four hundred ninety".