40713493 has 2 divisors, whose sum is σ = 40713494. Its totient is φ = 40713492.

The previous prime is 40713479. The next prime is 40713503. The reversal of 40713493 is 39431704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23590449 + 17123044 = 4857^2 + 4138^2 .

It is a cyclic number.

It is not a de Polignac number, because 40713493 - 2⁵ = 40713461 is a prime.

It is a super-2 number, since 2×40713493² = 3315177024522098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40713433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20356746 + 20356747.

It is an arithmetic number, because the mean of its divisors is an integer number (20356747).

Almost surely, 2^40713493 is an apocalyptic number.

It is an amenable number.

40713493 is a deficient number, since it is larger than the sum of its proper divisors (1).

40713493 is an equidigital number, since it uses as much as digits as its factorization.

40713493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 40713493 is about 6380.7125777612. The cubic root of 40713493 is about 344.0166438900.

The spelling of 40713493 in words is "forty million, seven hundred thirteen thousand, four hundred ninety-three".