40673025 has 36 divisors (see below), whose sum is σ = 74643660. Its totient is φ = 21158400.

The previous prime is 40673021. The next prime is 40673033. The reversal of 40673025 is 52037604.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 15992001 + 24681024 = 3999^2 + 4968^2 .

It is not a de Polignac number, because 40673025 - 2² = 40673021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40673025.

It is not an unprimeable number, because it can be changed into a prime (40673021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7021 + ... + 11429.

It is an arithmetic number, because the mean of its divisors is an integer number (2073435).

Almost surely, 2^40673025 is an apocalyptic number.

40673025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40673025 is a deficient number, since it is larger than the sum of its proper divisors (33970635).

40673025 is a wasteful number, since it uses less digits than its factorization.

40673025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466 (or 4458 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 40673025 is about 6377.5406701957. The cubic root of 40673025 is about 343.9026253371.

The spelling of 40673025 in words is "forty million, six hundred seventy-three thousand, twenty-five".