67274487 has 12 divisors (see below), whose sum is σ = 111056400. Its totient is φ = 38442528.

The previous prime is 67274483. The next prime is 67274503. The reversal of 67274487 is 78447276.

It is not a de Polignac number, because 67274487 - 2² = 67274483 is a prime.

It is a super-2 number, since 2×67274487² = 9051713202226338, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67274483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 533862 + ... + 533987.

It is an arithmetic number, because the mean of its divisors is an integer number (9254700).

Almost surely, 2^67274487 is an apocalyptic number.

67274487 is a deficient number, since it is larger than the sum of its proper divisors (43781913).

67274487 is a wasteful number, since it uses less digits than its factorization.

67274487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067862 (or 1067859 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 67274487 is about 8202.1025962859. The cubic root of 67274487 is about 406.7087021704.

The spelling of 67274487 in words is "sixty-seven million, two hundred seventy-four thousand, four hundred eighty-seven".