72671350 has 12 divisors (see below), whose sum is σ = 135168804. Its totient is φ = 29068520.

The previous prime is 72671267. The next prime is 72671359. The reversal of 72671350 is 5317627.

It is a super-2 number, since 2×72671350² = 10562250221645000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72671359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 726664 + ... + 726763.

It is an arithmetic number, because the mean of its divisors is an integer number (11264067).

Almost surely, 2^72671350 is an apocalyptic number.

72671350 is a deficient number, since it is larger than the sum of its proper divisors (62497454).

72671350 is a wasteful number, since it uses less digits than its factorization.

72671350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453439 (or 1453434 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 72671350 is about 8524.7492631748. The cubic root of 72671350 is about 417.3057889311.

Adding to 72671350 its reverse (5317627), we get a palindrome (77988977).

The spelling of 72671350 in words is "seventy-two million, six hundred seventy-one thousand, three hundred fifty".