72013371 has 8 divisors (see below), whose sum is σ = 97097040. Its totient is φ = 47469312.

The previous prime is 72013369. The next prime is 72013387. The reversal of 72013371 is 17331027.

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

It is not a de Polignac number, because 72013371 - 2¹ = 72013369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72013301) 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, 134590 + ... + 135123.

It is an arithmetic number, because the mean of its divisors is an integer number (12137130).

Almost surely, 2^72013371 is an apocalyptic number.

72013371 is a deficient number, since it is larger than the sum of its proper divisors (25083669).

72013371 is a wasteful number, since it uses less digits than its factorization.

72013371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269805.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 72013371 is about 8486.0692313933. The cubic root of 72013371 is about 416.0425156097.

Adding to 72013371 its reverse (17331027), we get a palindrome (89344398).

The spelling of 72013371 in words is "seventy-two million, thirteen thousand, three hundred seventy-one".