673427490 has 32 divisors (see below), whose sum is σ = 1617019200. Its totient is φ = 179492544.

The previous prime is 673427483. The next prime is 673427497. The reversal of 673427490 is 94724376.

It is an interprime number because it is at equal distance from previous prime (673427483) and next prime (673427497).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (673427497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76812 + ... + 85128.

It is an arithmetic number, because the mean of its divisors is an integer number (50531850).

Almost surely, 2^673427490 is an apocalyptic number.

673427490 is an abundant number, since it is smaller than the sum of its proper divisors (943591710).

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

673427490 is a wasteful number, since it uses less digits than its factorization.

673427490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 673427490 is about 25950.4814984231. The cubic root of 673427490 is about 876.5235996317.

The spelling of 673427490 in words is "six hundred seventy-three million, four hundred twenty-seven thousand, four hundred ninety".