70001455 has 4 divisors (see below), whose sum is σ = 84001752. Its totient is φ = 56001160.

The previous prime is 70001431. The next prime is 70001479. The reversal of 70001455 is 55410007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55410007 = 251 ⋅220757.

It is an interprime number because it is at equal distance from previous prime (70001431) and next prime (70001479).

It is not a de Polignac number, because 70001455 - 2⁹ = 70000943 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7000141 + ... + 7000150.

It is an arithmetic number, because the mean of its divisors is an integer number (21000438).

Almost surely, 2^70001455 is an apocalyptic number.

70001455 is a deficient number, since it is larger than the sum of its proper divisors (14000297).

70001455 is a wasteful number, since it uses less digits than its factorization.

70001455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14000296.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 70001455 is about 8366.6872177702. The cubic root of 70001455 is about 412.1313854230.

The spelling of 70001455 in words is "seventy million, one thousand, four hundred fifty-five".