67490788 has 6 divisors (see below), whose sum is σ = 118108886. Its totient is φ = 33745392.

The previous prime is 67490723. The next prime is 67490789. The reversal of 67490788 is 88709476.

It can be written as a sum of positive squares in only one way, i.e., 67108864 + 381924 = 8192^2 + 618^2 .

It is not an unprimeable number, because it can be changed into a prime (67490789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8436345 + ... + 8436352.

Almost surely, 2^67490788 is an apocalyptic number.

It is an amenable number.

67490788 is a deficient number, since it is larger than the sum of its proper divisors (50618098).

67490788 is a wasteful number, since it uses less digits than its factorization.

67490788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16872701 (or 16872699 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 67490788 is about 8215.2777189819. The cubic root of 67490788 is about 407.1441192650.

The spelling of 67490788 in words is "sixty-seven million, four hundred ninety thousand, seven hundred eighty-eight".