72454046 has 12 divisors (see below), whose sum is σ = 126425088. Its totient is φ = 31051692.

The previous prime is 72454043. The next prime is 72454061. The reversal of 72454046 is 64045427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72454043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 369566 + ... + 369761.

It is an arithmetic number, because the mean of its divisors is an integer number (10535424).

Almost surely, 2^72454046 is an apocalyptic number.

72454046 is a deficient number, since it is larger than the sum of its proper divisors (53971042).

72454046 is a wasteful number, since it uses less digits than its factorization.

72454046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739343 (or 739336 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 72454046 is about 8511.9942434191. The cubic root of 72454046 is about 416.8894269834.

The spelling of 72454046 in words is "seventy-two million, four hundred fifty-four thousand, forty-six".