72476419 has 4 divisors (see below), whose sum is σ = 74814400. Its totient is φ = 70138440.

The previous prime is 72476399. The next prime is 72476449. The reversal of 72476419 is 91467427.

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

It is a cyclic number.

It is not a de Polignac number, because 72476419 - 2⁷ = 72476291 is a prime.

It is a super-2 number, since 2×72476419² = 10505662622127122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72476449) 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, 1168944 + ... + 1169005.

It is an arithmetic number, because the mean of its divisors is an integer number (18703600).

Almost surely, 2^72476419 is an apocalyptic number.

72476419 is a deficient number, since it is larger than the sum of its proper divisors (2337981).

72476419 is a wasteful number, since it uses less digits than its factorization.

72476419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337980.

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

The square root of 72476419 is about 8513.3083463481. The cubic root of 72476419 is about 416.9323328333.

The spelling of 72476419 in words is "seventy-two million, four hundred seventy-six thousand, four hundred nineteen".