67445492 has 12 divisors (see below), whose sum is σ = 120908676. Its totient is φ = 32900160.

The previous prime is 67445489. The next prime is 67445501. The reversal of 67445492 is 29454476.

It can be written as a sum of positive squares in 2 ways, for example, as 2062096 + 65383396 = 1436^2 + 8086^2 .

It is a super-2 number, since 2×67445492² = 9097788782244128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205463 + ... + 205790.

It is an arithmetic number, because the mean of its divisors is an integer number (10075723).

Almost surely, 2^67445492 is an apocalyptic number.

It is an amenable number.

67445492 is a deficient number, since it is larger than the sum of its proper divisors (53463184).

67445492 is a wasteful number, since it uses less digits than its factorization.

67445492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411298 (or 411296 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 67445492 is about 8212.5204413749. The cubic root of 67445492 is about 407.0530148449.

The spelling of 67445492 in words is "sixty-seven million, four hundred forty-five thousand, four hundred ninety-two".