40703690 has 16 divisors (see below), whose sum is σ = 73382760. Its totient is φ = 16255680.

The previous prime is 40703657. The next prime is 40703699. The reversal of 40703690 is 9630704.

40703690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25030009 + 15673681 = 5003^2 + 3959^2 .

It is a super-2 number, since 2×40703690² = 3313580759232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40703699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4220 + ... + 9960.

Almost surely, 2^40703690 is an apocalyptic number.

40703690 is a deficient number, since it is larger than the sum of its proper divisors (32679070).

40703690 is a wasteful number, since it uses less digits than its factorization.

40703690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 40703690 is about 6379.9443571241. The cubic root of 40703690 is about 343.9890308833.

The spelling of 40703690 in words is "forty million, seven hundred three thousand, six hundred ninety".