70490497 has 16 divisors (see below), whose sum is σ = 90722304. Its totient is φ = 53154000.

The previous prime is 70490471. The next prime is 70490507. The reversal of 70490497 is 79409407.

It is a cyclic number.

It is not a de Polignac number, because 70490497 - 2⁷ = 70490369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70490467) 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 15 ways as a sum of consecutive naturals, for example, 12379 + ... + 17152.

It is an arithmetic number, because the mean of its divisors is an integer number (5670144).

Almost surely, 2^70490497 is an apocalyptic number.

70490497 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

70490497 is a deficient number, since it is larger than the sum of its proper divisors (20231807).

70490497 is a wasteful number, since it uses less digits than its factorization.

70490497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29580.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 70490497 is about 8395.8618973873. The cubic root of 70490497 is about 413.0888989352.

The spelling of 70490497 in words is "seventy million, four hundred ninety thousand, four hundred ninety-seven".