40073015 has 8 divisors (see below), whose sum is σ = 50178528. Its totient is φ = 30664480.

The previous prime is 40073009. The next prime is 40073053. The reversal of 40073015 is 51037004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40073015 - 2⁶ = 40072951 is a prime.

It is a super-3 number, since 3×40073015³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174116 + ... + 174345.

It is an arithmetic number, because the mean of its divisors is an integer number (6272316).

Almost surely, 2^40073015 is an apocalyptic number.

40073015 is a deficient number, since it is larger than the sum of its proper divisors (10105513).

40073015 is a wasteful number, since it uses less digits than its factorization.

40073015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348489.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 40073015 is about 6330.3250311497. The cubic root of 40073015 is about 342.2031526725.

The spelling of 40073015 in words is "forty million, seventy-three thousand, fifteen".