67764090 has 16 divisors (see below), whose sum is σ = 162633888. Its totient is φ = 18070416.

The previous prime is 67764079. The next prime is 67764113. The reversal of 67764090 is 9046776.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129372 + ... + 1129431.

It is an arithmetic number, because the mean of its divisors is an integer number (10164618).

Almost surely, 2^67764090 is an apocalyptic number.

67764090 is an abundant number, since it is smaller than the sum of its proper divisors (94869798).

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

67764090 is a wasteful number, since it uses less digits than its factorization.

67764090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258813.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 67764090 is about 8231.8946786265. The cubic root of 67764090 is about 407.6929518935.

The spelling of 67764090 in words is "sixty-seven million, seven hundred sixty-four thousand, ninety".