70404415 has 4 divisors (see below), whose sum is σ = 84485304. Its totient is φ = 56323528.

The previous prime is 70404391. The next prime is 70404419. The reversal of 70404415 is 51440407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51440407 = 271 ⋅189817.

It is a cyclic number.

It is not a de Polignac number, because 70404415 - 2¹³ = 70396223 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 70404415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70404419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7040437 + ... + 7040446.

It is an arithmetic number, because the mean of its divisors is an integer number (21121326).

Almost surely, 2^70404415 is an apocalyptic number.

70404415 is a deficient number, since it is larger than the sum of its proper divisors (14080889).

70404415 is a wasteful number, since it uses less digits than its factorization.

70404415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14080888.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 70404415 is about 8390.7338773197. The cubic root of 70404415 is about 412.9206776625.

It can be divided in two parts, 70 and 404415, that multiplied together give a triangular number (28309050 = T₇₅₂₄).

The spelling of 70404415 in words is "seventy million, four hundred four thousand, four hundred fifteen".