70878370 has 16 divisors (see below), whose sum is σ = 127677888. Its totient is φ = 28329840.

The previous prime is 70878361. The next prime is 70878373. The reversal of 70878370 is 7387807.

It is not an unprimeable number, because it can be changed into a prime (70878373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21577 + ... + 24643.

It is an arithmetic number, because the mean of its divisors is an integer number (7979868).

Almost surely, 2^70878370 is an apocalyptic number.

70878370 is a deficient number, since it is larger than the sum of its proper divisors (56799518).

70878370 is a wasteful number, since it uses less digits than its factorization.

70878370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 70878370 is about 8418.9292668367. The cubic root of 70878370 is about 413.8451854886.

The spelling of 70878370 in words is "seventy million, eight hundred seventy-eight thousand, three hundred seventy".