61705002 has 32 divisors (see below), whose sum is σ = 132475392. Its totient is φ = 19090944.

The previous prime is 61704991. The next prime is 61705003. The reversal of 61705002 is 20050716.

It is a self number, because there is not a number n which added to its sum of digits gives 61705002.

It is not an unprimeable number, because it can be changed into a prime (61705003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3303 + ... + 11589.

It is an arithmetic number, because the mean of its divisors is an integer number (4139856).

Almost surely, 2^61705002 is an apocalyptic number.

61705002 is an abundant number, since it is smaller than the sum of its proper divisors (70770390).

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

61705002 is a wasteful number, since it uses less digits than its factorization.

61705002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8382.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 61705002 is about 7855.2531467802. The cubic root of 61705002 is about 395.1604368829.

Adding to 61705002 its reverse (20050716), we get a palindrome (81755718).

The spelling of 61705002 in words is "sixty-one million, seven hundred five thousand, two".