72374890 has 16 divisors (see below), whose sum is σ = 148885632. Its totient is φ = 24814224.

The previous prime is 72374851. The next prime is 72374903. The reversal of 72374890 is 9847327.

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 7 ways as a sum of consecutive naturals, for example, 516894 + ... + 517033.

It is an arithmetic number, because the mean of its divisors is an integer number (9305352).

Almost surely, 2^72374890 is an apocalyptic number.

72374890 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72374890 is an abundant number, since it is smaller than the sum of its proper divisors (76510742).

72374890 is a wasteful number, since it uses less digits than its factorization.

72374890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033941.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 72374890 is about 8507.3432985862. The cubic root of 72374890 is about 416.7375545169.

The spelling of 72374890 in words is "seventy-two million, three hundred seventy-four thousand, eight hundred ninety".