70719259 has 4 divisors (see below), whose sum is σ = 76159216. Its totient is φ = 65279304.

The previous prime is 70719217. The next prime is 70719283. The reversal of 70719259 is 95291707.

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 70719259 - 2¹⁵ = 70686491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70719559) 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, 2719959 + ... + 2719984.

It is an arithmetic number, because the mean of its divisors is an integer number (19039804).

Almost surely, 2^70719259 is an apocalyptic number.

70719259 is a deficient number, since it is larger than the sum of its proper divisors (5439957).

70719259 is a wasteful number, since it uses less digits than its factorization.

70719259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439956.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 70719259 is about 8409.4743593164. The cubic root of 70719259 is about 413.5352806229.

The spelling of 70719259 in words is "seventy million, seven hundred nineteen thousand, two hundred fifty-nine".