67474740 has 48 divisors (see below), whose sum is σ = 193330368. Its totient is φ = 17574144.

The previous prime is 67474733. The next prime is 67474741. The reversal of 67474740 is 4747476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67474741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10497 + ... + 15656.

It is an arithmetic number, because the mean of its divisors is an integer number (4027716).

Almost surely, 2^67474740 is an apocalyptic number.

67474740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67474740 is an abundant number, since it is smaller than the sum of its proper divisors (125855628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67474740 is a wasteful number, since it uses less digits than its factorization.

67474740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26208 (or 26206 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 67474740 is about 8214.3009440853. The cubic root of 67474740 is about 407.1118463827. Note that the first 3 decimals are identical.

The spelling of 67474740 in words is "sixty-seven million, four hundred seventy-four thousand, seven hundred forty".