672478103 has 4 divisors (see below), whose sum is σ = 733612488. Its totient is φ = 611343720.

The previous prime is 672478097. The next prime is 672478109. The reversal of 672478103 is 301874276.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (672478097) and next prime (672478109).

It is a cyclic number.

It is not a de Polignac number, because 672478103 - 2¹² = 672474007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672478109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30567176 + ... + 30567197.

It is an arithmetic number, because the mean of its divisors is an integer number (183403122).

Almost surely, 2^672478103 is an apocalyptic number.

672478103 is a deficient number, since it is larger than the sum of its proper divisors (61134385).

672478103 is a wasteful number, since it uses less digits than its factorization.

672478103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61134384.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 672478103 is about 25932.1827658221. The cubic root of 672478103 is about 876.1115030636. Note that the first 3 decimals are identical.

The spelling of 672478103 in words is "six hundred seventy-two million, four hundred seventy-eight thousand, one hundred three".