67497490 has 16 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 26856880.

The previous prime is 67497449. The next prime is 67497491. The reversal of 67497490 is 9479476.

It is a super-2 number, since 2×67497490² = 9111822312600200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67497490.

It is not an unprimeable number, because it can be changed into a prime (67497491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15760 + ... + 19579.

It is an arithmetic number, because the mean of its divisors is an integer number (7633440).

Almost surely, 2^67497490 is an apocalyptic number.

67497490 is a deficient number, since it is larger than the sum of its proper divisors (54637550).

67497490 is a wasteful number, since it uses less digits than its factorization.

67497490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35537.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 67497490 is about 8215.6856074219. The cubic root of 67497490 is about 407.1575956206.

The spelling of 67497490 in words is "sixty-seven million, four hundred ninety-seven thousand, four hundred ninety".