67274532 has 72 divisors (see below), whose sum is σ = 187451264. Its totient is φ = 20212416.

The previous prime is 67274527. The next prime is 67274533. The reversal of 67274532 is 23547276.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (67274533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18453 + ... + 21795.

Almost surely, 2^67274532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67274532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93725632).

67274532 is an abundant number, since it is smaller than the sum of its proper divisors (120176732).

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

67274532 is a wasteful number, since it uses less digits than its factorization.

67274532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409 (or 3404 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 67274532 is about 8202.1053394845. The cubic root of 67274532 is about 406.7087928530.

The spelling of 67274532 in words is "sixty-seven million, two hundred seventy-four thousand, five hundred thirty-two".