72419122 has 16 divisors (see below), whose sum is σ = 110224800. Its totient is φ = 35680480.

The previous prime is 72419117. The next prime is 72419143. The reversal of 72419122 is 22191427.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74097 + ... + 75067.

It is an arithmetic number, because the mean of its divisors is an integer number (6889050).

Almost surely, 2^72419122 is an apocalyptic number.

72419122 is a deficient number, since it is larger than the sum of its proper divisors (37805678).

72419122 is a wasteful number, since it uses less digits than its factorization.

72419122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481.

The product of its digits is 2016, while the sum is 28.

The square root of 72419122 is about 8509.9425379964. The cubic root of 72419122 is about 416.8224337784.

The spelling of 72419122 in words is "seventy-two million, four hundred nineteen thousand, one hundred twenty-two".