73213490 has 16 divisors (see below), whose sum is σ = 150610752. Its totient is φ = 25101744.

The previous prime is 73213489. The next prime is 73213499. The reversal of 73213490 is 9431237.

It is a super-4 number, since 4×73213490⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (73213499) 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, 522884 + ... + 523023.

It is an arithmetic number, because the mean of its divisors is an integer number (9413172).

Almost surely, 2^73213490 is an apocalyptic number.

73213490 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73213490 is an abundant number, since it is smaller than the sum of its proper divisors (77397262).

73213490 is a wasteful number, since it uses less digits than its factorization.

73213490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045921.

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

The square root of 73213490 is about 8556.4881814913. The cubic root of 73213490 is about 418.3409418925.

The spelling of 73213490 in words is "seventy-three million, two hundred thirteen thousand, four hundred ninety".