67313772 has 36 divisors (see below), whose sum is σ = 175646016. Its totient is φ = 21713760.

The previous prime is 67313731. The next prime is 67313783. The reversal of 67313772 is 27731376.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×67313772² = 9062287801735968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29043 + ... + 31274.

It is an arithmetic number, because the mean of its divisors is an integer number (4879056).

Almost surely, 2^67313772 is an apocalyptic number.

67313772 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

67313772 is an abundant number, since it is smaller than the sum of its proper divisors (108332244).

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

67313772 is a wasteful number, since it uses less digits than its factorization.

67313772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60358 (or 60353 counting only the distinct ones).

The product of its digits is 37044, while the sum is 36.

The square root of 67313772 is about 8204.4970595400. The cubic root of 67313772 is about 406.7878527422.

The spelling of 67313772 in words is "sixty-seven million, three hundred thirteen thousand, seven hundred seventy-two".