1672869390 has 16 divisors (see below), whose sum is σ = 4014886608. Its totient is φ = 446098496.

The previous prime is 1672869389. The next prime is 1672869409. The reversal of 1672869390 is 939682761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27881127 + ... + 27881186.

It is an arithmetic number, because the mean of its divisors is an integer number (250930413).

Almost surely, 2^1672869390 is an apocalyptic number.

1672869390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1672869390 is an abundant number, since it is smaller than the sum of its proper divisors (2342017218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672869390 is a wasteful number, since it uses less digits than its factorization.

1672869390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55762323.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 1672869390 is about 40900.7260326758. The cubic root of 1672869390 is about 1187.1001089713.

The spelling of 1672869390 in words is "one billion, six hundred seventy-two million, eight hundred sixty-nine thousand, three hundred ninety".