61790007 has 16 divisors (see below), whose sum is σ = 84395520. Its totient is φ = 40194432.

The previous prime is 61789999. The next prime is 61790021. The reversal of 61790007 is 70009716.

It is not a de Polignac number, because 61790007 - 2³ = 61789999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61790077) 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, 83244 + ... + 83982.

It is an arithmetic number, because the mean of its divisors is an integer number (5274720).

Almost surely, 2^61790007 is an apocalyptic number.

61790007 is a deficient number, since it is larger than the sum of its proper divisors (22605513).

61790007 is a wasteful number, since it uses less digits than its factorization.

61790007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 61790007 is about 7860.6619950231. The cubic root of 61790007 is about 395.3418116975.

The spelling of 61790007 in words is "sixty-one million, seven hundred ninety thousand, seven".