1373273772 has 48 divisors (see below), whose sum is σ = 3569795040. Its totient is φ = 407973888.

The previous prime is 1373273771. The next prime is 1373273809. The reversal of 1373273772 is 2773723731.

It is not an unprimeable number, because it can be changed into a prime (1373273771) 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, 147253 + ... + 156300.

It is an arithmetic number, because the mean of its divisors is an integer number (74370730).

Almost surely, 2^1373273772 is an apocalyptic number.

1373273772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1373273772 is an abundant number, since it is smaller than the sum of its proper divisors (2196521268).

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

1373273772 is a wasteful number, since it uses less digits than its factorization.

1373273772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303602 (or 303600 counting only the distinct ones).

The product of its digits is 259308, while the sum is 42.

The square root of 1373273772 is about 37057.7086717460. The cubic root of 1373273772 is about 1111.5245053563.

The spelling of 1373273772 in words is "one billion, three hundred seventy-three million, two hundred seventy-three thousand, seven hundred seventy-two".