49173684 has 48 divisors (see below), whose sum is σ = 132117888. Its totient is φ = 13943808.

The previous prime is 49173679. The next prime is 49173689. The reversal of 49173684 is 48637194.

It is an interprime number because it is at equal distance from previous prime (49173679) and next prime (49173689).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49173689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9372 + ... + 13644.

It is an arithmetic number, because the mean of its divisors is an integer number (2752456).

Almost surely, 2^49173684 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 49173684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66058944).

49173684 is an abundant number, since it is smaller than the sum of its proper divisors (82944204).

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

49173684 is a wasteful number, since it uses less digits than its factorization.

49173684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424 (or 4422 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 49173684 is about 7012.3950259523. The cubic root of 49173684 is about 366.3624168496.

The spelling of 49173684 in words is "forty-nine million, one hundred seventy-three thousand, six hundred eighty-four".