61963902 has 192 divisors, whose sum is σ = 190794240. Its totient is φ = 13996800.

The previous prime is 61963877. The next prime is 61963939. The reversal of 61963902 is 20936916.

61963902 is a `hidden beast` number, since 6 + 19 + 639 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 342252 + ... + 342432.

It is an arithmetic number, because the mean of its divisors is an integer number (993720).

Almost surely, 2^61963902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61963902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95397120).

61963902 is an abundant number, since it is smaller than the sum of its proper divisors (128830338).

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

61963902 is a wasteful number, since it uses less digits than its factorization.

61963902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 61963902 is about 7871.7153149742. The cubic root of 61963902 is about 395.7123331679.

The spelling of 61963902 in words is "sixty-one million, nine hundred sixty-three thousand, nine hundred two".