45071937 has 8 divisors (see below), whose sum is σ = 66773280. Its totient is φ = 30047940.

The previous prime is 45071911. The next prime is 45071951. The reversal of 45071937 is 73917054.

It is a happy number.

It is not a de Polignac number, because 45071937 - 2⁸ = 45071681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45071987) 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, 834639 + ... + 834692.

It is an arithmetic number, because the mean of its divisors is an integer number (8346660).

Almost surely, 2^45071937 is an apocalyptic number.

It is an amenable number.

45071937 is a deficient number, since it is larger than the sum of its proper divisors (21701343).

45071937 is a wasteful number, since it uses less digits than its factorization.

45071937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669340 (or 1669334 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 45071937 is about 6713.5636587434. The cubic root of 45071937 is about 355.8787645296.

The spelling of 45071937 in words is "forty-five million, seventy-one thousand, nine hundred thirty-seven".