61382958 has 128 divisors (see below), whose sum is σ = 163322880. Its totient is φ = 14929920.

The previous prime is 61382927. The next prime is 61382969. The reversal of 61382958 is 85928316.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 632766 + ... + 632862.

It is an arithmetic number, because the mean of its divisors is an integer number (1275960).

Almost surely, 2^61382958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61382958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81661440).

61382958 is an abundant number, since it is smaller than the sum of its proper divisors (101939922).

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

61382958 is a wasteful number, since it uses less digits than its factorization.

61382958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202.

The product of its digits is 103680, while the sum is 42.

The square root of 61382958 is about 7834.7276915027. The cubic root of 61382958 is about 394.4717780496.

The spelling of 61382958 in words is "sixty-one million, three hundred eighty-two thousand, nine hundred fifty-eight".