49723380 has 288 divisors, whose sum is σ = 190095360. Its totient is φ = 10264320.

The previous prime is 49723379. The next prime is 49723393. The reversal of 49723380 is 8332794.

49723380 = T₂₄₅ + T₂₄₆ + ... + T₆₇₈.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 742107 + ... + 742173.

Almost surely, 2^49723380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49723380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95047680).

49723380 is an abundant number, since it is smaller than the sum of its proper divisors (140371980).

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

49723380 is a wasteful number, since it uses less digits than its factorization.

49723380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 49723380 is about 7051.4806955703. The cubic root of 49723380 is about 367.7225085946.

The spelling of 49723380 in words is "forty-nine million, seven hundred twenty-three thousand, three hundred eighty".