61391802 has 16 divisors (see below), whose sum is σ = 122885280. Its totient is φ = 20446992.

The previous prime is 61391797. The next prime is 61391819. The reversal of 61391802 is 20819316.

It is a self number, because there is not a number n which added to its sum of digits gives 61391802.

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, 5248 + ... + 12260.

It is an arithmetic number, because the mean of its divisors is an integer number (7680330).

Almost surely, 2^61391802 is an apocalyptic number.

61391802 is an abundant number, since it is smaller than the sum of its proper divisors (61493478).

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

61391802 is a wasteful number, since it uses less digits than its factorization.

61391802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8477.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 61391802 is about 7835.2920813458. The cubic root of 61391802 is about 394.4907221831.

The spelling of 61391802 in words is "sixty-one million, three hundred ninety-one thousand, eight hundred two".