6685007390 has 32 divisors (see below), whose sum is σ = 12305520000. Its totient is φ = 2613954208.

The previous prime is 6685007383. The next prime is 6685007423. The reversal of 6685007390 is 937005866.

It is a super-2 number, since 2×6685007390² = 89378647608709224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73961 + ... + 137259.

It is an arithmetic number, because the mean of its divisors is an integer number (384547500).

Almost surely, 2^6685007390 is an apocalyptic number.

6685007390 is a deficient number, since it is larger than the sum of its proper divisors (5620512610).

6685007390 is a wasteful number, since it uses less digits than its factorization.

6685007390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63544.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 6685007390 is about 81761.8944863682. The cubic root of 6685007390 is about 1883.7964055834.

The spelling of 6685007390 in words is "six billion, six hundred eighty-five million, seven thousand, three hundred ninety".