72946414 has 4 divisors (see below), whose sum is σ = 109419624. Its totient is φ = 36473206.

The previous prime is 72946403. The next prime is 72946417. The reversal of 72946414 is 41464927.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72946417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18236602 + ... + 18236605.

It is an arithmetic number, because the mean of its divisors is an integer number (27354906).

Almost surely, 2^72946414 is an apocalyptic number.

72946414 is a deficient number, since it is larger than the sum of its proper divisors (36473210).

72946414 is a wasteful number, since it uses less digits than its factorization.

72946414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36473209.

The product of its digits is 48384, while the sum is 37.

The square root of 72946414 is about 8540.8672861718. The cubic root of 72946414 is about 417.8316324734.

The spelling of 72946414 in words is "seventy-two million, nine hundred forty-six thousand, four hundred fourteen".