61867212 has 24 divisors (see below), whose sum is σ = 157480512. Its totient is φ = 18747600.

The previous prime is 61867177. The next prime is 61867229. The reversal of 61867212 is 21276816.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234214 + ... + 234477.

It is an arithmetic number, because the mean of its divisors is an integer number (6561688).

Almost surely, 2^61867212 is an apocalyptic number.

It is an amenable number.

61867212 is an abundant number, since it is smaller than the sum of its proper divisors (95613300).

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

61867212 is a wasteful number, since it uses less digits than its factorization.

61867212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468709 (or 468707 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 61867212 is about 7865.5713079216. The cubic root of 61867212 is about 395.5063995900.

The spelling of 61867212 in words is "sixty-one million, eight hundred sixty-seven thousand, two hundred twelve".