61369590 has 16 divisors (see below), whose sum is σ = 147287088. Its totient is φ = 16365216.

The previous prime is 61369577. The next prime is 61369603. The reversal of 61369590 is 9596316.

It is an interprime number because it is at equal distance from previous prime (61369577) and next prime (61369603).

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 7 ways as a sum of consecutive naturals, for example, 1022797 + ... + 1022856.

It is an arithmetic number, because the mean of its divisors is an integer number (9205443).

Almost surely, 2^61369590 is an apocalyptic number.

61369590 is an abundant number, since it is smaller than the sum of its proper divisors (85917498).

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

61369590 is a wasteful number, since it uses less digits than its factorization.

61369590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045663.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 61369590 is about 7833.8745203124. The cubic root of 61369590 is about 394.4431399077.

The spelling of 61369590 in words is "sixty-one million, three hundred sixty-nine thousand, five hundred ninety".