61379370 has 192 divisors, whose sum is σ = 187125120. Its totient is φ = 14370048.

The previous prime is 61379363. The next prime is 61379393. The reversal of 61379370 is 7397316.

61379370 is a `hidden beast` number, since 613 + 7 + 9 + 37 + 0 = 666.

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, 916077 + ... + 916143.

It is an arithmetic number, because the mean of its divisors is an integer number (974610).

Almost surely, 2^61379370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61379370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93562560).

61379370 is an abundant number, since it is smaller than the sum of its proper divisors (125745750).

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

61379370 is a wasteful number, since it uses less digits than its factorization.

61379370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 61379370 is about 7834.4987076392. The cubic root of 61379370 is about 394.4640919188.

The spelling of 61379370 in words is "sixty-one million, three hundred seventy-nine thousand, three hundred seventy".