61702004 has 48 divisors (see below), whose sum is σ = 133555968. Its totient is φ = 24288768.

The previous prime is 61702001. The next prime is 61702021. The reversal of 61702004 is 40020716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61702001) 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, 122417 + ... + 122919.

It is an arithmetic number, because the mean of its divisors is an integer number (2782416).

Almost surely, 2^61702004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61702004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66777984).

61702004 is an abundant number, since it is smaller than the sum of its proper divisors (71853964).

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

61702004 is a wasteful number, since it uses less digits than its factorization.

61702004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 61702004 is about 7855.0623167484. The cubic root of 61702004 is about 395.1540370226.

The spelling of 61702004 in words is "sixty-one million, seven hundred two thousand, four".