61694070 has 32 divisors (see below), whose sum is σ = 149057280. Its totient is φ = 16341600.

The previous prime is 61694047. The next prime is 61694081. The reversal of 61694070 is 7049616.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2280 + ... + 11339.

It is an arithmetic number, because the mean of its divisors is an integer number (4658040).

Almost surely, 2^61694070 is an apocalyptic number.

61694070 is an abundant number, since it is smaller than the sum of its proper divisors (87363210).

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

61694070 is a wasteful number, since it uses less digits than its factorization.

61694070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13780.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 61694070 is about 7854.5572758749. The cubic root of 61694070 is about 395.1370992339.

The spelling of 61694070 in words is "sixty-one million, six hundred ninety-four thousand, seventy".