61373808 has 160 divisors (see below), whose sum is σ = 190969920. Its totient is φ = 18800640.

The previous prime is 61373797. The next prime is 61373813. The reversal of 61373808 is 80837316.

61373808 is a `hidden beast` number, since 613 + 7 + 38 + 0 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447916 + ... + 448052.

It is an arithmetic number, because the mean of its divisors is an integer number (1193562).

Almost surely, 2^61373808 is an apocalyptic number.

61373808 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61373808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95484960).

61373808 is an abundant number, since it is smaller than the sum of its proper divisors (129596112).

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

61373808 is a wasteful number, since it uses less digits than its factorization.

61373808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 61373808 is about 7834.1437311298. The cubic root of 61373808 is about 394.4521765388.

The spelling of 61373808 in words is "sixty-one million, three hundred seventy-three thousand, eight hundred eight".