72215453290 has 32 divisors (see below), whose sum is σ = 132150756096. Its totient is φ = 28405757760.

The previous prime is 72215453287. The next prime is 72215453293. The reversal of 72215453290 is 9235451227.

It is an interprime number because it is at equal distance from previous prime (72215453287) and next prime (72215453293).

It is not an unprimeable number, because it can be changed into a prime (72215453293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3039999 + ... + 3063661.

It is an arithmetic number, because the mean of its divisors is an integer number (4129711128).

Almost surely, 2^72215453290 is an apocalyptic number.

72215453290 is a deficient number, since it is larger than the sum of its proper divisors (59935302806).

72215453290 is a wasteful number, since it uses less digits than its factorization.

72215453290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28734.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 72215453290 in words is "seventy-two billion, two hundred fifteen million, four hundred fifty-three thousand, two hundred ninety".