70940719 has 4 divisors (see below), whose sum is σ = 72450144. Its totient is φ = 69431296.

The previous prime is 70940707. The next prime is 70940747. The reversal of 70940719 is 91704907.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70940719 - 2⁵ = 70940687 is a prime.

It is a super-2 number, since 2×70940719² = 10065171224473922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70340719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754642 + ... + 754735.

It is an arithmetic number, because the mean of its divisors is an integer number (18112536).

Almost surely, 2^70940719 is an apocalyptic number.

70940719 is a deficient number, since it is larger than the sum of its proper divisors (1509425).

70940719 is a wasteful number, since it uses less digits than its factorization.

70940719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509424.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 70940719 is about 8422.6313584295. The cubic root of 70940719 is about 413.9664978685.

The spelling of 70940719 in words is "seventy million, nine hundred forty thousand, seven hundred nineteen".