70090361 has 32 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 57164800.

The previous prime is 70090351. The next prime is 70090369. The reversal of 70090361 is 16309007.

It is a happy number.

It is not a de Polignac number, because 70090361 - 2¹⁸ = 69828217 is a prime.

It is a super-2 number, since 2×70090361² = 9825317410220642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70090361.

It is not an unprimeable number, because it can be changed into a prime (70090369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300701 + ... + 300933.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2^70090361 is an apocalyptic number.

It is an amenable number.

70090361 is a deficient number, since it is larger than the sum of its proper divisors (14823559).

70090361 is a wasteful number, since it uses less digits than its factorization.

70090361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 70090361 is about 8371.9986263735. The cubic root of 70090361 is about 412.3057887114.

Adding to 70090361 its reverse (16309007), we get a palindrome (86399368).

The spelling of 70090361 in words is "seventy million, ninety thousand, three hundred sixty-one".