72446074 has 8 divisors (see below), whose sum is σ = 111606228. Its totient is φ = 35244000.

The previous prime is 72446063. The next prime is 72446093. The reversal of 72446074 is 47064427.

It can be written as a sum of positive squares in 2 ways, for example, as 64689849 + 7756225 = 8043^2 + 2785^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 489427 + ... + 489574.

Almost surely, 2^72446074 is an apocalyptic number.

72446074 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72446074 is a deficient number, since it is larger than the sum of its proper divisors (39160154).

72446074 is a wasteful number, since it uses less digits than its factorization.

72446074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979040.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 72446074 is about 8511.5259501455. The cubic root of 72446074 is about 416.8741365356.

The spelling of 72446074 in words is "seventy-two million, four hundred forty-six thousand, seventy-four".