70497939 has 16 divisors (see below), whose sum is σ = 95040000. Its totient is φ = 46480896.

The previous prime is 70497919. The next prime is 70497943. The reversal of 70497939 is 93979407.

It is not a de Polignac number, because 70497939 - 2¹³ = 70489747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70497919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156787 + ... + 157235.

It is an arithmetic number, because the mean of its divisors is an integer number (5940000).

Almost surely, 2^70497939 is an apocalyptic number.

70497939 is a deficient number, since it is larger than the sum of its proper divisors (24542061).

70497939 is a wasteful number, since it uses less digits than its factorization.

70497939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914.

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 70497939 is about 8396.3050802124. The cubic root of 70497939 is about 413.1034356437.

The spelling of 70497939 in words is "seventy million, four hundred ninety-seven thousand, nine hundred thirty-nine".