70438995 has 72 divisors (see below), whose sum is σ = 139754160. Its totient is φ = 32545920.

The previous prime is 70438993. The next prime is 70439069. The reversal of 70438995 is 59983407.

It is not a de Polignac number, because 70438995 - 2¹ = 70438993 is a prime.

It is a super-2 number, since 2×70438995² = 9923304033220050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 70438995.

It is not an unprimeable number, because it can be changed into a prime (70438993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 261721 + ... + 261989.

It is an arithmetic number, because the mean of its divisors is an integer number (1941030).

Almost surely, 2^70438995 is an apocalyptic number.

70438995 is a deficient number, since it is larger than the sum of its proper divisors (69315165).

70438995 is a wasteful number, since it uses less digits than its factorization.

70438995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 70438995 is about 8392.7942307672. The cubic root of 70438995 is about 412.9882702983.

The spelling of 70438995 in words is "seventy million, four hundred thirty-eight thousand, nine hundred ninety-five".