67752740 has 36 divisors (see below), whose sum is σ = 156396828. Its totient is φ = 24636480.

The previous prime is 67752739. The next prime is 67752799. The reversal of 67752740 is 4725776.

It can be written as a sum of positive squares in 2 ways, for example, as 46812964 + 20939776 = 6842^2 + 4576^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67752694 and 67752703.

It is a congruent number.

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, 11579 + ... + 16418.

Almost surely, 2^67752740 is an apocalyptic number.

It is an amenable number.

67752740 is an abundant number, since it is smaller than the sum of its proper divisors (88644088).

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

67752740 is a wasteful number, since it uses less digits than its factorization.

67752740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28028 (or 28015 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 67752740 is about 8231.2052580409. The cubic root of 67752740 is about 407.6701887389.

The spelling of 67752740 in words is "sixty-seven million, seven hundred fifty-two thousand, seven hundred forty".