72614047 has 4 divisors (see below), whose sum is σ = 79215336. Its totient is φ = 66012760.

The previous prime is 72614041. The next prime is 72614071. The reversal of 72614047 is 74041627.

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

It is not a de Polignac number, because 72614047 - 2³ = 72614039 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72614041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3300628 + ... + 3300649.

It is an arithmetic number, because the mean of its divisors is an integer number (19803834).

Almost surely, 2^72614047 is an apocalyptic number.

72614047 is a deficient number, since it is larger than the sum of its proper divisors (6601289).

72614047 is a wasteful number, since it uses less digits than its factorization.

72614047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601288.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 72614047 is about 8521.3876217433. The cubic root of 72614047 is about 417.1960750771.

The spelling of 72614047 in words is "seventy-two million, six hundred fourteen thousand, forty-seven".