61862634 has 12 divisors (see below), whose sum is σ = 134035746. Its totient is φ = 20620872.

The previous prime is 61862629. The next prime is 61862657. The reversal of 61862634 is 43626816.

61862634 is a `hidden beast` number, since 6 + 18 + 6 + 2 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58568409 + 3294225 = 7653^2 + 1815^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1718389 + ... + 1718424.

Almost surely, 2^61862634 is an apocalyptic number.

61862634 is an abundant number, since it is smaller than the sum of its proper divisors (72173112).

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

61862634 is a wasteful number, since it uses less digits than its factorization.

61862634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436821 (or 3436818 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 61862634 is about 7865.2802874405. The cubic root of 61862634 is about 395.4966438950.

The spelling of 61862634 in words is "sixty-one million, eight hundred sixty-two thousand, six hundred thirty-four".