1672293890 has 16 divisors (see below), whose sum is σ = 3141004608. Its totient is φ = 639834096.

The previous prime is 1672293869. The next prime is 1672293899. The reversal of 1672293890 is 983922761.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1672293899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3635192 + ... + 3635651.

It is an arithmetic number, because the mean of its divisors is an integer number (196312788).

Almost surely, 2^1672293890 is an apocalyptic number.

1672293890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1672293890 is a deficient number, since it is larger than the sum of its proper divisors (1468710718).

1672293890 is a wasteful number, since it uses less digits than its factorization.

1672293890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7270873.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 1672293890 is about 40893.6901000631. The cubic root of 1672293890 is about 1186.9639647563.

The spelling of 1672293890 in words is "one billion, six hundred seventy-two million, two hundred ninety-three thousand, eight hundred ninety".