67431074 has 4 divisors (see below), whose sum is σ = 101146614. Its totient is φ = 33715536.

The previous prime is 67431059. The next prime is 67431083. The reversal of 67431074 is 47013476.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 62173225 + 5257849 = 7885^2 + 2293^2 .

It is a super-3 number, since 3×67431074³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67431074.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16857767 + ... + 16857770.

Almost surely, 2^67431074 is an apocalyptic number.

67431074 is a deficient number, since it is larger than the sum of its proper divisors (33715540).

67431074 is a wasteful number, since it uses less digits than its factorization.

67431074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33715539.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 67431074 is about 8211.6425884229. The cubic root of 67431074 is about 407.0240071804.

The spelling of 67431074 in words is "sixty-seven million, four hundred thirty-one thousand, seventy-four".