137662473 has 8 divisors (see below), whose sum is σ = 197669248. Its totient is φ = 84715344.

The previous prime is 137662471. The next prime is 137662493. The reversal of 137662473 is 374266731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137662473 - 2¹ = 137662471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3529807 = 137662473 / (1 + 3 + 7 + 6 + 6 + 2 + 4 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137662471) 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, 1764865 + ... + 1764942.

It is an arithmetic number, because the mean of its divisors is an integer number (24708656).

Almost surely, 2^137662473 is an apocalyptic number.

137662473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

137662473 is a deficient number, since it is larger than the sum of its proper divisors (60006775).

137662473 is a wasteful number, since it uses less digits than its factorization.

137662473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529823.

The product of its digits is 127008, while the sum is 39.

The square root of 137662473 is about 11732.9652262333. The cubic root of 137662473 is about 516.3432718263.

The spelling of 137662473 in words is "one hundred thirty-seven million, six hundred sixty-two thousand, four hundred seventy-three".