90340707 has 4 divisors (see below), whose sum is σ = 120454280. Its totient is φ = 60227136.

The previous prime is 90340667. The next prime is 90340739. The reversal of 90340707 is 70704309.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 90340707 - 2¹⁵ = 90307939 is a prime.

It is a super-2 number, since 2×90340707² = 16322886682519698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90340777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15056782 + ... + 15056787.

It is an arithmetic number, because the mean of its divisors is an integer number (30113570).

Almost surely, 2^90340707 is an apocalyptic number.

90340707 is a deficient number, since it is larger than the sum of its proper divisors (30113573).

90340707 is a wasteful number, since it uses less digits than its factorization.

90340707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30113572.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 90340707 is about 9504.7728536773. The cubic root of 90340707 is about 448.7052610690.

The spelling of 90340707 in words is "ninety million, three hundred forty thousand, seven hundred seven".