72677315442 has 32 divisors (see below), whose sum is σ = 145602551808. Its totient is φ = 24184485776.

The previous prime is 72677315441. The next prime is 72677315443. The reversal of 72677315442 is 24451377627.

It is an interprime number because it is at equal distance from previous prime (72677315441) and next prime (72677315443).

It is a junction number, because it is equal to n+sod(n) for n = 72677315391 and 72677315400.

It is not an unprimeable number, because it can be changed into a prime (72677315441) 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, 15650773 + ... + 15655415.

It is an arithmetic number, because the mean of its divisors is an integer number (4550079744).

Almost surely, 2^72677315442 is an apocalyptic number.

72677315442 is an abundant number, since it is smaller than the sum of its proper divisors (72925236366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72677315442 is a wasteful number, since it uses less digits than its factorization.

72677315442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534.

The product of its digits is 1975680, while the sum is 48.

The spelling of 72677315442 in words is "seventy-two billion, six hundred seventy-seven million, three hundred fifteen thousand, four hundred forty-two".