70719007 has 4 divisors (see below), whose sum is σ = 74441080. Its totient is φ = 66996936.

The previous prime is 70719001. The next prime is 70719073. The reversal of 70719007 is 70091707.

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 70719007 - 2²³ = 62330399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70719007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70719001) 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, 1861008 + ... + 1861045.

It is an arithmetic number, because the mean of its divisors is an integer number (18610270).

Almost surely, 2^70719007 is an apocalyptic number.

70719007 is a deficient number, since it is larger than the sum of its proper divisors (3722073).

70719007 is a wasteful number, since it uses less digits than its factorization.

70719007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722072.

The product of its (nonzero) digits is 3087, while the sum is 31.

The square root of 70719007 is about 8409.4593762025. The cubic root of 70719007 is about 413.5347894271.

The spelling of 70719007 in words is "seventy million, seven hundred nineteen thousand, seven".