61088790 has 96 divisors (see below), whose sum is σ = 176554080. Its totient is φ = 13472256.

The previous prime is 61088789. The next prime is 61088801. The reversal of 61088790 is 9788016.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41914 + ... + 43346.

It is an arithmetic number, because the mean of its divisors is an integer number (1839105).

Almost surely, 2^61088790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61088790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88277040).

61088790 is an abundant number, since it is smaller than the sum of its proper divisors (115465290).

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

61088790 is a wasteful number, since it uses less digits than its factorization.

61088790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 61088790 is about 7815.9318062532. The cubic root of 61088790 is about 393.8406211174.

The spelling of 61088790 in words is "sixty-one million, eighty-eight thousand, seven hundred ninety".