67490998 has 4 divisors (see below), whose sum is σ = 101236500. Its totient is φ = 33745498.

The previous prime is 67490989. The next prime is 67491019. The reversal of 67490998 is 89909476.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×67490998² = 9110069622072008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16872748 + ... + 16872751.

It is an arithmetic number, because the mean of its divisors is an integer number (25309125).

Almost surely, 2^67490998 is an apocalyptic number.

67490998 is a deficient number, since it is larger than the sum of its proper divisors (33745502).

67490998 is a wasteful number, since it uses less digits than its factorization.

67490998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33745501.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 67490998 is about 8215.2905000371. The cubic root of 67490998 is about 407.1445415457.

The spelling of 67490998 in words is "sixty-seven million, four hundred ninety thousand, nine hundred ninety-eight".