187500070 has 16 divisors (see below), whose sum is σ = 337880160. Its totient is φ = 74915584.

The previous prime is 187500029. The next prime is 187500097. The reversal of 187500070 is 70005781.

It is a happy number.

187500070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 802 + ... + 19381.

It is an arithmetic number, because the mean of its divisors is an integer number (21117510).

Almost surely, 2^187500070 is an apocalyptic number.

187500070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

187500070 is a deficient number, since it is larger than the sum of its proper divisors (150380090).

187500070 is a wasteful number, since it uses less digits than its factorization.

187500070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21119.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 187500070 is about 13693.0664936675. The cubic root of 187500070 is about 572.3571925033.

The spelling of 187500070 in words is "one hundred eighty-seven million, five hundred thousand, seventy".