90713340 has 36 divisors (see below), whose sum is σ = 275164344. Its totient is φ = 24190176.

The previous prime is 90713299. The next prime is 90713351. The reversal of 90713340 is 4331709.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251802 + ... + 252161.

It is an arithmetic number, because the mean of its divisors is an integer number (7643454).

Almost surely, 2^90713340 is an apocalyptic number.

90713340 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

90713340 is an abundant number, since it is smaller than the sum of its proper divisors (184451004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90713340 is a wasteful number, since it uses less digits than its factorization.

90713340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503978 (or 503973 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 90713340 is about 9524.3550962782. The cubic root of 90713340 is about 449.3213473974.

The spelling of 90713340 in words is "ninety million, seven hundred thirteen thousand, three hundred forty".