673654620 has 48 divisors (see below), whose sum is σ = 1897555968. Its totient is φ = 178562880.

The previous prime is 673654607. The next prime is 673654627. The reversal of 673654620 is 26456376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673654627) 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, 23596 + ... + 43635.

It is an arithmetic number, because the mean of its divisors is an integer number (39532416).

Almost surely, 2^673654620 is an apocalyptic number.

673654620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

673654620 is an abundant number, since it is smaller than the sum of its proper divisors (1223901348).

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

673654620 is a wasteful number, since it uses less digits than its factorization.

673654620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67410 (or 67408 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 673654620 is about 25954.8573488663. The cubic root of 673654620 is about 876.6221316094.

The spelling of 673654620 in words is "six hundred seventy-three million, six hundred fifty-four thousand, six hundred twenty".